Determines whether the end user may use the dialog element (for input, for example) or whether the dialog element is disabled (greyed, for example).

Applies to	ActiveX control, bitmap control, canvas control,context menu, control box control, date/time picker control, dialog (all types), dialog bar control, edit area control, group frame control, input field control, list box control, list view control, menu item, OLE container control, progress bar control, push button control, radio button control, scroll bar control, selection box control, signal, status bar control, status bar pane, slider control, spin control, tab control, table control, text constant control, toggle button control, tool bar control, tool bar item, tree view control.
Data Type	BOOLEAN
Default Value	TRUE
Possible Values	TRUE / FALSE